100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

100% Employee Owned.
Eager, Committed, and Ready.

Employee Owners + Firm Leadership

Passion. Purpose. Humility.

ISG Experience

While capacity can be an issue for a growing professional A/E services firm, ISG has managed to maintain a high caliber team with standards that go well beyond the norm. We strive to see things from your perspective and provide expertise to improve your condition and empower professionals across the firm.

Dedication

Guided by a relationship and solutions-based approach, ISG leaders do more than just empower those around them, they seek to inspire and empathize both internally and externally. We recognize that the markets we serve seek to make better decisions concerning efficiency, performance, and sustainability, to support the need to stay competitive. We also understand that no one knows a business better than those who are dedicated to its mission and the communities that create the contextual environments surrounding it.

Hot Firm Facts

Fastest growing firm (revenue) in the Midwest and central U.S.

Continued upward trajectory, rising to #292 on the Engineering News-Record (ENR).

Top 10 on Zweig Group Hot Firm list of 100 fastest-growing A/E firms in addition to consistent Best Places to Work, Trifecta, and Marketing Excellence Award titles.

Only 1 of 45 elite firms who have consistently maintained or increased their ENR ranking between 2015-2019; approximately 9% of the Top 500 firms fall into this category.

ISG on the Move

ISG Water Solutions Team Amplifies Resources, Adds Strategic Talent

January 28, 2020 (Storm Lake, Iowa) – ISG, a professional design and engineering firm that is 100% owned by employees, recently expanded its Water Solutions Group by welcoming long-time Iowa Department of Natural Resources (IDNR) leader Julie Sievers. Ready to embark on this new endeavor with ISG as Senior Water Specialist, Julie will complement a seasoned group of professionals, including internationally recognized Water Solutions Group Leader and Associate Principal, Uma Vempati, PE, PMP, ENV SP, Iowa project leader and Associate Principal, Tom Grafft, and many others within the firm of 315+ professionals.